New jamming scenario: From marginal jamming to deep jamming

Abstract

We study properties of jammed packings of frictionless spheres over a wide range of volume fractions. There exists a crossover volume fraction which separates deeply jammed solids from marginally jammed solids. In deeply jammed solids, all the scalings presented in marginally jammed solids are replaced with remarkably different ones with potential independent exponents. Correspondingly, there are structural changes in the pair distribution function associated with the crossover. The normal modes of vibration of deeply jammed solids also exhibit some anomalies, e.g. strengthened quasi-localization and absence of Debye-like density of states at low frequencies. Deeply jammed systems may thus be cataloged to a new class of amorphous solids.

4 pages, 4 figures

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• Beyond linear elasticity: Jammed solids at finite shear strain and rate
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• Jamming in Systems With Quenched Disorder
• Achieving adjustable elasticity with non-affine to affine transition
• Critical scalings and jamming in thermal colloidal systems
• Cluster Glass Transition of Ultrasoft-Potential Fluids at High Density
• Optimal Filling of Shapes
• Finite size analysis of zero-temperature jamming transition under applied shear stress
• Connecting glass-forming ability of binary mixtures of soft particles to equilibrium melting temperatures
• Probing the role of mobility in the collective motion of non-equilibrium systems
• Signatures of shear thinning-thickening transition in dense athermal shear flows
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• Slow dynamics coupled with cluster formation in ultrasoft-potential glasses
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• Why the Quantitative Condition Fails to Reveal Quantum Adiabaticity
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• Mechanical properties of jammed packings of frictionless spheres under applied shear stress